One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11)(4,10)(5,8)(6,9)(7,12)(13,16)(14,15)(17,18,22,25,23,19,21,26)(20,24,28,32,29,27,30,31)(1,3)(2,7)(4,12)(5,14)(6,13)(8,11)(9,15)(10,16)(17,19)(18,23)(20,27)(21,25)(22,26)(24,29)(28,31)(30,32) involution — undirected(17,20,22,28,23,29,21,30)(18,24,25,32,19,27,26,31)(1,4,6,5)(2,8,9,10)(3,12,13,14)(7,11,15,16)(17,21,23,22)(18,25,19,26)(20,28,29,30)(24,31,27,32)(2,9)(7,15)(8,10)(11,16) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.